What is the cheapest airline that flies from Portland to Ireland?

Aer Lingus, United Airlines, and British Airways are the most popular carriers operating from Portland to Ireland

What airlines fly to Ireland?

Icelandair, United Airlines and Delta are the top three most popular airlines that fly to Ireland from Portland according to our data. Icelandair is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Ireland. Keep in mind that there are 9 different airlines that fly to Ireland on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Portland Airport to Ireland?

Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.

How many operators does momondo search for flights from Portland Airport to Ireland?

As of October 2026, there are 9 operators available to choose from for flights from Portland Airport to Ireland.

How old do you have to be to fly from Portland Airport to Ireland?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.

What documentation or ID do you need to fly to Ireland?

The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$292 Cheap Flights from Portland to Ireland in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Ireland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:05 pm - 10:15 amPDX Portland-DUB Dublin

32h 10m1 stop Reykjavik Keflavik Intl

12:15 pm - 5:55 pmDUB Dublin-PDX Portland

13h 40m1 stop Reykjavik Keflavik Intl

$628Icelandair

Mon, Mar 22 - Fri, Apr 2

2:45 pm - 10:15 amPDX Portland-DUB Dublin

11h 30m1 stop Reykjavik Keflavik Intl

11:30 am - 5:00 pmDUB Dublin-PDX Portland

13h 30m1 stop Reykjavik Keflavik Intl

$629Icelandair

Mon, Nov 30 - Wed, Dec 16

2:45 pm - 9:25 amPDX Portland-DUB Dublin

34h 40m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen

5:50 pm - 5:00 pmDUB Dublin-PDX Portland

31h 10m3 stops Oslo Gardermoen Stockholm Arlanda Reykjavik Keflavik Intl

$693Multiple Airlines

Thu, Nov 26 - Thu, Dec 3

2:45 pm - 6:20 pmPDX Portland-DUB Dublin

19h 35m3 stops Reykjavik Keflavik Intl Stockholm Arlanda Kastrup Copenhagen

7:05 pm - 5:00 pmDUB Dublin-PDX Portland

29h 55m3 stops Kastrup Copenhagen Stockholm Arlanda Reykjavik Keflavik Intl

$696Multiple Airlines

Tue, Dec 8 - Tue, Dec 15

10:00 am - 10:15 amPDX Portland-SNN Shannon

16h 15m1 stop Newark

12:30 pm - 9:21 pmSNN Shannon-PDX Portland

16h 51m1 stop Newark

$733United Airlines

Sun, Apr 18 - Wed, Apr 21

10:00 am - 10:15 amPDX Portland-SNN Shannon

16h 15m1 stop Newark

12:30 pm - 9:21 pmSNN Shannon-PDX Portland

16h 51m1 stop Newark

$734United Airlines

Sun, Apr 18 - Wed, Apr 21

3:15 pm - 7:45 amPDX Portland-DUB Dublin

32h 30m1 stop Vancouver Intl

9:20 am - 12:25 pmDUB Dublin-PDX Portland

35h 05m2 stops Vancouver Intl San Francisco

$741Air Canada

Mon, Apr 12 - Fri, Apr 30

10:00 am - 7:45 amPDX Portland-DUB Dublin

13h 45m1 stop Vancouver Intl

9:20 am - 12:25 pmDUB Dublin-PDX Portland

35h 05m2 stops Vancouver Intl San Francisco

$741Air Canada

Tue, Apr 13 - Fri, Apr 30

5:45 pm - 3:25 pmPDX Portland-DUB Dublin

13h 40m1 stop London Heathrow

10:50 am - 3:50 pmDUB Dublin-PDX Portland

13h 00m1 stop London Heathrow

$742British Airways

Mon, Feb 22 - Fri, Feb 26

5:45 pm - 2:15 pmPDX Portland-DUB Dublin

12h 30m1 stop London Heathrow

8:40 pm - 3:50 pmDUB Dublin-PDX Portland

27h 10m1 stop London Heathrow

$742British Airways

Sun, Jan 24 - Tue, Feb 2

Cheap last minute flights

Enter your travel dates to find the best prices.

7:25 am - 8:45 amPDX Portland-DUB Dublin

17h 20m2 stops Los Angeles New York John F Kennedy Intl

5:45 am - 11:40 amDUB Dublin-PDX Portland

13h 55m1 stop Amsterdam Schiphol

$822Delta

Mon, Nov 2 - Wed, Nov 18

5:33 am - 7:55 amPDX Portland-DUB Dublin

18h 22m2 stops Salt Lake City Minneapolis St Paul

5:45 am - 11:40 amDUB Dublin-PDX Portland

13h 55m1 stop Amsterdam Schiphol

$822Delta

Wed, Nov 4 - Wed, Nov 18

2:45 pm - 10:15 amPDX Portland-DUB Dublin

11h 30m1 stop Reykjavik Keflavik Intl

11:30 am - 5:00 pmDUB Dublin-PDX Portland

13h 30m1 stop Reykjavik Keflavik Intl

$823Icelandair

Mon, Nov 2 - Mon, Nov 16

7:00 am - 8:45 amPDX Portland-DUB Dublin

17h 45m1 stop New York John F Kennedy Intl

5:45 am - 4:29 pmDUB Dublin-PDX Portland

18h 44m2 stops Amsterdam Schiphol Salt Lake City

$827Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

7:00 am - 8:45 amPDX Portland-DUB Dublin

17h 45m1 stop New York John F Kennedy Intl

5:45 am - 4:29 pmDUB Dublin-PDX Portland

18h 44m2 stops Amsterdam Schiphol Salt Lake City

$835KLM

Tue, Nov 3 - Thu, Nov 12

6:00 am - 7:10 amPDX Portland-DUB Dublin

17h 10m1 stop Dallas/Fort Worth

12:55 pm - 10:10 pmDUB Dublin-PDX Portland

17h 15m1 stop Dallas/Fort Worth

$839Iberia

Tue, Nov 3 - Thu, Nov 12

7:00 am - 8:05 amPDX Portland-DUB Dublin

17h 05m2 stops New York John F Kennedy Intl Amsterdam Schiphol

5:45 am - 4:29 pmDUB Dublin-PDX Portland

18h 44m2 stops Amsterdam Schiphol Salt Lake City

$843KLM

Tue, Nov 3 - Thu, Nov 12

11:30 pm - 9:55 amPDX Portland-DUB Dublin

26h 25m2 stops Chicago O'Hare Intl Newark

9:30 am - 9:13 pmDUB Dublin-PDX Portland

19h 43m2 stops Newark Denver Intl

$844United Airlines

Sun, Nov 1 - Fri, Nov 13

2:45 pm - 10:15 amPDX Portland-DUB Dublin

11h 30m1 stop Reykjavik Keflavik Intl

11:30 am - 5:00 pmDUB Dublin-PDX Portland

13h 30m1 stop Reykjavik Keflavik Intl

$862Icelandair

Tue, Nov 3 - Sun, Nov 15

11:10 pm - 9:55 amPDX Portland-DUB Dublin

26h 45m1 stop Newark

9:00 am - 7:12 pmDUB Dublin-PDX Portland

42h 12m2 stops Toronto Pearson Intl Chicago O'Hare Intl

$870United Airlines

Sun, Nov 1 - Sat, Nov 14

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British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets

British Airways

Jan 24

PDX5:45 pmPortland

12h 30m

1 stop

DUB2:15 pmDublin

Feb 2

DUB8:40 pmDublin

27h 10m

1 stop

PDX3:50 pmPortland

$742

British Airways

Jan 11

PDX5:45 pmPortland

13h 40m

1 stop

DUB3:25 pmDublin

Feb 5

DUB10:50 amDublin

13h 00m

1 stop

PDX3:50 pmPortland

$761

British Airways

Dec 7

PDX5:45 pmPortland

15h 20m

1 stop

DUB5:05 pmDublin

Dec 14

DUB8:45 amDublin

15h 05m

1 stop

PDX3:50 pmPortland

$810

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets

Icelandair

Nov 30

PDX2:45 pmPortland

11h 30m

1 stop

DUB10:15 amDublin

Dec 16

DUB11:30 amDublin

13h 30m

1 stop

PDX5:00 pmPortland

$629

Icelandair

Nov 16

PDX2:45 pmPortland

11h 30m

1 stop

DUB10:15 amDublin

Dec 2

DUB11:30 amDublin

13h 30m

1 stop

PDX5:00 pmPortland

$650

Icelandair

Dec 7

PDX2:45 pmPortland

11h 30m

1 stop

DUB10:15 amDublin

Dec 14

DUB11:30 amDublin

13h 30m

1 stop

PDX5:00 pmPortland

$677

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 3/22

7:05 pm-10:15 am

1 stop32h 10m

Dublin

Fri 4/2

12:15 pm-5:55 pm

1 stop13h 40m

$628

Quickest round-trip

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 11/30

2:45 pm-10:15 am

1 stop11h 30m

Dublin

Wed 12/16

11:30 am-5:00 pm

1 stop13h 30m

$629

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Thu 11/26

2:45 pm-9:25 am

3 stops34h 40m

Dublin

Thu 12/3

5:50 pm-5:00 pm

3 stops31h 10m

$693

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Tue 12/8

2:45 pm-6:20 pm

3 stops19h 35m

Dublin

Tue 12/15

7:05 pm-5:00 pm

3 stops29h 55m

$696

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Sun 4/18

10:00 am-10:15 am

1 stop16h 15m

Shannon

Wed 4/21

12:30 pm-9:21 pm

1 stop16h 51m

$733

PortlandShannon

PDX Portland - SNN Shannon

PDXSNN

Portland

Sun 4/18

10:00 am-10:15 am

1 stop16h 15m

Shannon

Wed 4/21

12:30 pm-9:21 pm

1 stop16h 51m

$734

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 4/12

3:15 pm-7:45 am

1 stop32h 30m

Dublin

Fri 4/30

9:20 am-12:25 pm

2 stops35h 05m

$741

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Tue 4/13

10:00 am-7:45 am

1 stop13h 45m

Dublin

Fri 4/30

9:20 am-12:25 pm

2 stops35h 05m

$741

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Mon 2/22

5:45 pm-3:25 pm

1 stop13h 40m

Dublin

Fri 2/26

10:50 am-3:50 pm

1 stop13h 00m

$742

PortlandDublin

PDX Portland - DUB Dublin

PDXDUB

Portland

Sun 1/24

5:45 pm-2:15 pm

1 stop12h 30m

Dublin

Tue 2/2

8:40 pm-3:50 pm

1 stop27h 10m

$742

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Portland to Ireland

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Ireland?

In general, February is the cheapest month to fly from Portland to Ireland. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $484. If you aren’t able to travel to Ireland during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $572.

How far in advance should I book a flight from Portland to Ireland?

You are more likely to see cheaper flights to Ireland from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around $736 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Portland for as low as $713 on momondo.

Can stopping save me money on Portland to Ireland flights?

You could potentially save up to 3% on your flight if you consider stops on a Portland to Ireland flight.

Cheap Portland to Ireland flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Ireland

Best Price Found	$292
Fastest flight time	11h 20m
Direct flights	None

The best one-way flight to Ireland from Portland in the past 72 hours is $292. The best round-trip flight deal from Portland to Ireland found on momondo in the last 72 hours is $628.

The fastest flight from Portland to Ireland takes 11h 20m

There are no direct flights from Portland to Ireland. There are no popular flight routes from Portland to Ireland.

Search flight deals

Frequently asked questions about flying from Portland to Ireland

When did momondo last update prices for flights from Portland Airport to Ireland?
Prices for flights from Portland Airport to Ireland are refreshed on a daily basis.
How many operators does momondo search for flights from Portland Airport to Ireland?
As of October 2026, there are 9 operators available to choose from for flights from Portland Airport to Ireland.
How old do you have to be to fly from Portland Airport to Ireland?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Ireland.
What documentation or ID do you need to fly to Ireland?
The travel and health documents you'll need for your trip to Ireland may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ireland. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $430	Free Cancellation	Rating 6.9 764 reviews	Search Icelandair flights
American Airlines	PriceFrom $461	Free Cancellation	Rating 7.0 12,220 reviews	Search American Airlines flights
British Airways	PriceFrom $467	Free Cancellation	Rating 6.7 8,277 reviews	Search British Airways flights
Delta	PriceFrom $475	Free Cancellation	Rating 7.8 8,696 reviews	Search Delta flights
Lufthansa	PriceFrom $477	Free Cancellation	Rating 6.8 8,300 reviews	Search Lufthansa flights
KLM	PriceFrom $478	Free Cancellation	Rating 7.8 1,595 reviews	Search KLM flights
United Airlines	PriceFrom $483	Free Cancellation	Rating 7.3 10,455 reviews	Search United Airlines flights
Air Canada	PriceFrom $511	Free Cancellation	Rating 7.1 11,834 reviews	Search Air Canada flights
Aer Lingus	PriceFrom $679	Free Cancellation	Rating 7.3 1,869 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Ireland?

It is quick and easy to find Portland to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

Can I find flights from Portland to Ireland with flexible booking policies on momondo?

Flights from Portland to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Portland to Ireland?

Once all potential Portland to Ireland flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Portland to Ireland right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Portland to Ireland flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Ireland

Popular cities

Other flights from Portland

Other flights to Ireland

Airlines

Cabin classes

Complete your trip

Feeling lucky

Popular cities in Ireland

Flights to Dublinfrom $388

Flights to Shannon, Clarefrom $550

Flights to Corkfrom $491

Flights to Knockfrom $803

Flights to Milltown (Kerry)from $574

Flights to Donegalfrom $855

Cheap flights from Portland to Ireland from $292

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Ireland departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Portland to Ireland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

British Airways flights from Portland to Ireland

Our best British Airways deals on Portland to Ireland flight tickets

Icelandair flights from Portland to Ireland

Our best Icelandair deals on Portland to Ireland flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Ireland that are best for you.

See travel insights to Ireland from

How to get the cheapest flight ticket from Portland to Ireland

What is the cheapest month to fly to Ireland?

How far in advance should I book a flight from Portland to Ireland?

Can stopping save me money on Portland to Ireland flights?

What is the cheapest airline that flies from Portland to Ireland?

What airlines fly to Ireland?

Cheap Portland to Ireland flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Portland to Ireland

Best airlines flying from Portland to Ireland

Compare and see reviews for airlines that fly from Portland to Ireland with momondo

Why use momondo?

An easier way to manage your Ireland trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ireland

Popular cities in Ireland

Popular flights according to clicks in the last 7 days on momondo

Portland flight routes

According to popular flight searches on momondo this year

Ireland flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Ireland

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Ireland

List of cabin classes available on flights landing in Ireland. Availability may vary depending on flight origin and airline.

Complete your trip to Ireland

Explore popular destinations other users love

According to popular flight searches on momondo this year